Analysis Overview
SHA256
fa8a87c1274f9db8fb49732f98406aa8c4a48ec42c72dee7a9b2571aa48895ff
Threat Level: Known bad
The file c86fb1ccf52b74b89a9d2bbea2c221ec was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Executes dropped EXE
Deletes itself
Loads dropped DLL
Program crash
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-14 10:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-14 10:48
Reported
2024-03-14 10:50
Platform
win7-20240221-en
Max time kernel
151s
Max time network
124s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\dvhhdhu | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Roaming\dvhhdhu |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2484 wrote to memory of 1292 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\dvhhdhu |
| PID 2484 wrote to memory of 1292 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\dvhhdhu |
| PID 2484 wrote to memory of 1292 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\dvhhdhu |
| PID 2484 wrote to memory of 1292 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\dvhhdhu |
| PID 1292 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Roaming\dvhhdhu | C:\Windows\SysWOW64\WerFault.exe |
| PID 1292 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Roaming\dvhhdhu | C:\Windows\SysWOW64\WerFault.exe |
| PID 1292 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Roaming\dvhhdhu | C:\Windows\SysWOW64\WerFault.exe |
| PID 1292 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Roaming\dvhhdhu | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe
"C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {6B9E4C8B-2F6A-46C1-BECC-EDF750FC0F99} S-1-5-21-2461186416-2307104501-1787948496-1000:MGILJUBR\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\dvhhdhu
C:\Users\Admin\AppData\Roaming\dvhhdhu
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 124
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | conceitosseg.com | udp |
| US | 8.8.8.8:53 | integrasidata.com | udp |
| SG | 172.104.187.4:80 | integrasidata.com | tcp |
| US | 8.8.8.8:53 | ozentekstil.com | udp |
| TR | 94.73.151.78:80 | ozentekstil.com | tcp |
| TR | 94.73.151.78:80 | ozentekstil.com | tcp |
| TR | 94.73.151.78:443 | ozentekstil.com | tcp |
| TR | 94.73.151.78:443 | ozentekstil.com | tcp |
| US | 8.8.8.8:53 | finbelportal.com | udp |
| US | 8.8.8.8:53 | telanganadigital.com | udp |
| US | 192.64.119.13:80 | telanganadigital.com | tcp |
| US | 8.8.8.8:53 | www.telanganadigital.com | udp |
| DE | 91.195.240.19:80 | www.telanganadigital.com | tcp |
Files
memory/2584-1-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/2584-2-0x00000000001B0000-0x00000000001B9000-memory.dmp
\Users\Admin\AppData\Local\Temp\CC4F.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2584-6-0x0000000000400000-0x0000000002C63000-memory.dmp
memory/1196-7-0x0000000002980000-0x0000000002995000-memory.dmp
memory/2584-8-0x0000000000400000-0x0000000002C63000-memory.dmp
memory/2584-11-0x00000000001B0000-0x00000000001B9000-memory.dmp
C:\Users\Admin\AppData\Roaming\dvhhdhu
| MD5 | c86fb1ccf52b74b89a9d2bbea2c221ec |
| SHA1 | b650cc25f8deba2748ad7a81428169ea5876c47a |
| SHA256 | fa8a87c1274f9db8fb49732f98406aa8c4a48ec42c72dee7a9b2571aa48895ff |
| SHA512 | 0396507c2a566e82fef97b2853fbff846cbed4958cc685c13fc3debb00e0d151ec1104e5bb499e7913a44a4ea6ef26f55cbb6e59a28e7d8be9eb78777b1319a5 |
memory/1292-19-0x00000000030D0000-0x00000000031D0000-memory.dmp
memory/1292-20-0x0000000000400000-0x0000000002C63000-memory.dmp
memory/1292-28-0x00000000030D0000-0x00000000031D0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-14 10:48
Reported
2024-03-14 10:50
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\gcegbut | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\gcegbut | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Roaming\gcegbut |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\gcegbut | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\gcegbut | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\gcegbut | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\gcegbut | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe
"C:\Users\Admin\AppData\Local\Temp\c86fb1ccf52b74b89a9d2bbea2c221ec.exe"
C:\Users\Admin\AppData\Roaming\gcegbut
C:\Users\Admin\AppData\Roaming\gcegbut
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4472 -ip 4472
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4472 -s 392
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | conceitosseg.com | udp |
| US | 8.8.8.8:53 | integrasidata.com | udp |
| SG | 172.104.187.4:80 | integrasidata.com | tcp |
| US | 8.8.8.8:53 | ozentekstil.com | udp |
| TR | 94.73.151.78:80 | ozentekstil.com | tcp |
| TR | 94.73.151.78:80 | ozentekstil.com | tcp |
| TR | 94.73.151.78:443 | ozentekstil.com | tcp |
| US | 8.8.8.8:53 | 4.187.104.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 78.151.73.94.in-addr.arpa | udp |
| US | 8.8.8.8:53 | finbelportal.com | udp |
| US | 8.8.8.8:53 | telanganadigital.com | udp |
| US | 192.64.119.13:80 | telanganadigital.com | tcp |
| US | 8.8.8.8:53 | www.telanganadigital.com | udp |
| DE | 91.195.240.19:80 | www.telanganadigital.com | tcp |
| US | 8.8.8.8:53 | 13.119.64.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.240.195.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.117.168.52.in-addr.arpa | udp |
Files
memory/3944-1-0x0000000002C90000-0x0000000002D90000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CC4F.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/3944-6-0x0000000000400000-0x0000000002C63000-memory.dmp
memory/3944-7-0x0000000002DF0000-0x0000000002DF9000-memory.dmp
memory/3484-8-0x0000000002C30000-0x0000000002C45000-memory.dmp
memory/3944-10-0x0000000000400000-0x0000000002C63000-memory.dmp
C:\Users\Admin\AppData\Roaming\gcegbut
| MD5 | c86fb1ccf52b74b89a9d2bbea2c221ec |
| SHA1 | b650cc25f8deba2748ad7a81428169ea5876c47a |
| SHA256 | fa8a87c1274f9db8fb49732f98406aa8c4a48ec42c72dee7a9b2571aa48895ff |
| SHA512 | 0396507c2a566e82fef97b2853fbff846cbed4958cc685c13fc3debb00e0d151ec1104e5bb499e7913a44a4ea6ef26f55cbb6e59a28e7d8be9eb78777b1319a5 |
memory/4472-20-0x0000000002F20000-0x0000000003020000-memory.dmp
memory/4472-24-0x0000000000400000-0x0000000002C63000-memory.dmp
memory/3484-25-0x0000000002660000-0x0000000002675000-memory.dmp
memory/4472-28-0x0000000000400000-0x0000000002C63000-memory.dmp